IP DSCP across the Internet

Joel Mulkey joelm at bigleaf.net
Wed May 6 01:22:21 UTC 2015


But don't trust that's going to be the rule. I recently had a situation where traffic across a congested public peering link between 2 large "tier-2" carriers was honoring DSCP, resulting in some unexpected inconsistent behavior.

Joel Mulkey
Founder and CEO
Bigleaf Networks
Direct: +1 (503) 985-6964  |  Support: +1 (503) 985-8298  |  www.bigleaf.net

> On May 5, 2015, at 5:30 PM, Roland Dobbins <rdobbins at arbor.net> wrote:
> 
> 
> On 5 May 2015, at 17:27, Ramy Hashish wrote:
> 
>> Assume two ASs connected through two tier 1 networks, will the tier one networks trust any DSCP markings done from an AS to the other?
> 
> The BCP is to re-color on ingress.
> 
> -----------------------------------
> Roland Dobbins <rdobbins at arbor.net>




More information about the NANOG mailing list